.page-contact {
  --pc-pad: clamp(20px, 5vw, 48px);
  --pc-line: 1px solid var(--hairline);
  display: block;
}

.page-contact #mail,
.page-contact #phone,
.page-contact #addr {
  scroll-margin-top: calc(var(--header-offset) + 16px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--header-offset) + clamp(18px, 4vw, 44px)) 0 clamp(52px, 9vw, 104px);
  background:
    radial-gradient(130% 100% at 92% 0%, rgba(255, 90, 31, 0.30), transparent 60%),
    linear-gradient(158deg, var(--navy-deep) 0%, var(--navy) 52%, var(--indigo) 100%);
  color: var(--cloud);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  right: -18%;
  bottom: -34%;
  width: min(760px, 94vw);
  aspect-ratio: 3 / 2;
  background: linear-gradient(135deg, rgba(255, 123, 69, 0.9), rgba(224, 54, 44, 0.35));
  clip-path: polygon(22% 0%, 100% 24%, 100% 100%, 0% 100%);
  opacity: 0.42;
}

.page-contact .contact-hero .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(18px, 4vw, 34px);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: rgba(247, 244, 239, 0.72);
}

.page-contact .contact-hero .breadcrumbs a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 220ms var(--ease);
}

.page-contact .contact-hero .breadcrumbs a:hover,
.page-contact .contact-hero .breadcrumbs a:focus-visible {
  border-color: var(--gold);
}

.page-contact .contact-hero .eyebrow {
  color: var(--gold);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(28px, 5vw, 48px);
  align-items: start;
}

.page-contact .contact-hero h1 {
  margin: 14px 0 0;
  max-width: 15ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 5.6vw, 66px);
  line-height: 1.06;
  letter-spacing: -0.02em;
}

.page-contact .contact-hero .lede {
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.8;
  color: rgba(247, 244, 239, 0.86);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: clamp(24px, 4vw, 36px);
}

.page-contact .contact-hero__figure {
  margin: 0;
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--glass-line);
  background: var(--glass);
  box-shadow: var(--shadow-2);
}

.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 4;
  object-fit: cover;
}

/* ---------- 通用分区标题 ---------- */
.page-contact .section-head .eyebrow {
  color: var(--sky-deep);
}

.page-contact .section-head h2,
.page-contact h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--navy);
}

.page-contact .section-head .lede {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(42, 47, 58, 0.84);
}

/* ---------- 三条通道 ---------- */
.page-contact .route-list {
  list-style: none;
  margin: clamp(30px, 5vw, 54px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(16px, 2.5vw, 24px);
}

.page-contact .route-card {
  position: relative;
  padding: clamp(22px, 3vw, 32px);
  border-radius: var(--radius-card);
  border: var(--pc-line);
  background: #ffffff;
  box-shadow: var(--shadow-1);
  transition: transform 220ms var(--ease), border-color 220ms var(--ease), box-shadow 220ms var(--ease);
}

.page-contact .route-card:hover,
.page-contact .route-card:focus-within {
  transform: translateY(-4px);
  border-color: var(--flame);
}

.page-contact .route-card__index {
  display: block;
  margin-bottom: 14px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--flame);
}

.page-contact .route-card h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.2vw, 24px);
  letter-spacing: -0.01em;
  color: var(--navy);
}

.page-contact .route-card p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--graphite);
}

/* ---------- 信纸式版面 ---------- */
.page-contact .desk {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.page-contact .mail-block {
  padding: clamp(24px, 3.5vw, 40px);
  border-radius: var(--radius-card);
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: linear-gradient(150deg, var(--indigo), var(--navy));
  color: var(--cloud);
}

.page-contact .mail-block .eyebrow {
  color: var(--flame-soft);
}

.page-contact .mail-block__value {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(21px, 4.4vw, 44px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  word-break: break-all;
  color: var(--cloud);
}

.page-contact .mail-block__meta {
  margin: 18px 0 0;
  max-width: 44ch;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(247, 244, 239, 0.82);
}

.page-contact .phone-block {
  margin-top: clamp(16px, 2.5vw, 24px);
  padding: clamp(22px, 3vw, 34px);
  border-radius: var(--radius-card);
  border: 2px solid var(--flame);
  background: #ffffff;
  transition: border-color 220ms var(--ease), box-shadow 220ms var(--ease);
}

.page-contact .phone-block:focus-within {
  border-color: var(--vermillion);
  box-shadow: 0 0 0 4px rgba(255, 90, 31, 0.18);
}

.page-contact .phone-block .eyebrow {
  color: var(--sky-deep);
}

.page-contact .phone-block__value {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(30px, 6vw, 56px);
  line-height: 1.1;
  letter-spacing: 0.01em;
  color: var(--navy);
}

.page-contact .phone-block__meta {
  margin: 16px 0 0;
  max-width: 44ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--graphite);
}

.page-contact .memo {
  padding: clamp(22px, 3vw, 32px);
  border-radius: var(--radius-card);
  border: 1px dashed rgba(11, 27, 58, 0.24);
  background: rgba(11, 27, 58, 0.045);
}

.page-contact .memo .eyebrow {
  color: var(--jade);
}

.page-contact .memo h2 {
  font-size: clamp(21px, 2.4vw, 26px);
}

.page-contact .memo__intro {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(42, 47, 58, 0.78);
}

.page-contact .memo__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}

.page-contact .memo__item {
  display: grid;
  grid-template-columns: 2.6em minmax(0, 1fr);
  gap: 10px;
  padding: 14px 0;
  border-bottom: 1px dashed rgba(11, 27, 58, 0.16);
  font-size: 15px;
  line-height: 1.7;
  color: var(--graphite);
}

.page-contact .memo__item:last-child {
  border-bottom: 0;
}

.page-contact .memo__num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--flame);
  letter-spacing: 0.04em;
}

.page-contact .memo__foot {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(42, 47, 58, 0.66);
}

/* ---------- 地址 ---------- */
.page-contact .addr-block {
  position: relative;
  padding-top: clamp(26px, 4vw, 42px);
  border-top: 2px solid var(--gold);
}

.page-contact .addr-block::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 0;
  width: min(260px, 46%);
  height: 7px;
  background-image: repeating-linear-gradient(
    90deg,
    var(--gold) 0 10px,
    transparent 10px 15px,
    var(--jade) 15px 25px,
    transparent 25px 30px
  );
  opacity: 0.85;
}

.page-contact .addr-block .eyebrow {
  color: var(--sky-deep);
}

.page-contact .addr-grid {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  margin-top: clamp(22px, 3.5vw, 34px);
}

.page-contact .addr-item__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--jade);
}

.page-contact .addr-item__value {
  margin: 10px 0 0;
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.7;
  color: var(--navy);
}

.page-contact .addr-item:last-child .addr-item__value {
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-contact .addr-details {
  margin-top: clamp(20px, 3vw, 28px);
  padding: 2px 18px;
  border: var(--pc-line);
  border-radius: var(--radius-card);
  background: #ffffff;
}

.page-contact .addr-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 15px 0;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  font-size: 16px;
  color: var(--navy);
}

.page-contact .addr-details summary::-webkit-details-marker {
  display: none;
}

.page-contact .addr-details summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  color: var(--flame);
  transition: transform 220ms var(--ease);
}

.page-contact .addr-details[open] summary::after {
  transform: rotate(45deg);
}

.page-contact .addr-details p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-contact .addr-figure {
  margin: clamp(26px, 4vw, 40px) 0 0;
  max-width: 260px;
  border-radius: var(--radius-card);
  overflow: hidden;
  border: var(--pc-line);
}

.page-contact .addr-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

/* ---------- 合作 ---------- */
.page-contact .partner-section h2 {
  color: var(--cloud);
}

.page-contact .partner-section .eyebrow {
  color: var(--gold);
}

.page-contact .partner-section .lede {
  color: rgba(247, 244, 239, 0.84);
}

.page-contact .partner-list {
  list-style: none;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(14px, 2vw, 20px);
}

.page-contact .partner-item {
  padding: clamp(22px, 2.8vw, 30px);
  border-radius: var(--radius-card);
  border: 1px solid var(--glass-line);
  background: var(--glass);
  backdrop-filter: blur(6px);
  transition: transform 220ms var(--ease), border-color 220ms var(--ease);
}

.page-contact .partner-item:hover,
.page-contact .partner-item:focus-within {
  transform: translateY(-4px);
  border-color: var(--flame);
}

.page-contact .partner-item h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.1vw, 23px);
  letter-spacing: -0.01em;
  color: var(--cloud);
}

.page-contact .partner-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(247, 244, 239, 0.82);
}

.page-contact .partner-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
  margin: clamp(24px, 3.5vw, 36px) 0 0;
  padding-top: clamp(20px, 3vw, 28px);
  border-top: 1px solid var(--glass-line);
  font-size: 15px;
  line-height: 1.7;
  color: rgba(247, 244, 239, 0.82);
}

.page-contact .partner-cta .num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(16px, 1.9vw, 21px);
  color: var(--flame-soft);
  word-break: break-all;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .addr-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }
}

@media (min-width: 800px) {
  .page-contact .route-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .partner-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: clamp(36px, 5vw, 72px);
    align-items: center;
  }
}

@media (min-width: 1040px) {
  .page-contact .desk {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    gap: clamp(32px, 4vw, 56px);
  }

  .page-contact .memo {
    position: sticky;
    top: calc(var(--header-offset) + 24px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .route-card,
  .page-contact .partner-item,
  .page-contact .phone-block,
  .page-contact .addr-details summary::after,
  .page-contact .contact-hero .breadcrumbs a {
    transition: none;
  }

  .page-contact .route-card:hover,
  .page-contact .route-card:focus-within,
  .page-contact .partner-item:hover,
  .page-contact .partner-item:focus-within {
    transform: none;
  }
}